title: Pneumococcal polysaccharide vaccine.
mesh_terms: D006801:Humans; D011008:Pneumococcal Infections / Q000517:prevention & control*; D011018:Pneumonia, Pneumococcal / Q000517:prevention & control*; D014612:Vaccines / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D014612:Vaccines